Add formula for Kafka 0.8.0
Use double quotes everywhere
Use /usr/libexec/java_home
Add ZooKeeper as a dependency
Change default partition count to 1 and symlink config to etc
Store logs in var/log/kafka and data in var/lib
Better path handling
Remove trailing whitespace
Simplify log inreplace and remove comments
kafka: add 0.8.0 bottle.